Nutrition basics
Learning Center
Hemodialysis
Learn about hemodialysis and the risks and benefits of this procedure to treat kidney failure.
Hormone therapy for prostate cancer
Find out what to expect during testosterone-blocking therapy. Learn about choices, including medicines and surgery.
Hyperbaric oxygen therapy
This type of therapy is a well-known treatment for decompression sickness, but it has many surprising uses. Find out about why and how oxygen can heal the body.
Intrauterine insemination (IUI)
Learn more about how this infertility treatment is done and what to expect.
Laryngotracheal reconstruction
Laryngotracheal reconstruction surgery — Comprehensive overview covers why it's done and what's involved with the procedure.
Liver transplant
Learn what to expect before and after this important treatment option for patients with liver failure.
Living-donor kidney transplant
Find out more about living-donor kidney transplant, an option instead of deceased-donor kidney transplant.
Living-donor liver transplant
Learn about this surgery that uses a portion of a liver from a healthy living donor to replace another person's liver that's not working properly.
Living-donor transplant
This surgery uses a living donor's organ, such as a kidney or portion of a liver, to replace another person's organ that no longer works properly.
Lumpectomy
Learn what to expect from this breast-conserving surgical procedure.
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